CC1172
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
2.750 inches nominal fastener length, hexagon head style, 1.375 inches minimum thread length, right-hand thread direction, 3a thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 1.375 inches minimum
- Fastener Length
- 2.750 inches nominal
- Head Style
- hexagon
- Head Height
- 0.500 inches nominal
- Width Between Flats
- 0.750 inches nominal
- Hole Diameter
- 0.062 inches nominal
- Nominal Thread Diameter
- 0.500 inches
- Hole Quantity
- 1
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 13
- Hardness Rating
- 30.0 rockwell c minimum and 34.3 rockwell c maximum overall
- Hole Configuration Style
- hexagon flats
- Material
- steel comp 8640 overall
- Material Document And Classification
- sae assn std single material response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-586-2789 | No Name Available | 01/01/1963 |
| 5306-00-810-7941 | No Name Available | 12/01/1982 |
Related Parts
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FAQs
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What is the FSCG of the NSN 5306-00-272-3741?
Does the NSN 5306-00-272-3741 have a Schedule B code assigned?
Does NSN 5306-00-272-3741 require demilitarization?
Does NSN 5306-00-272-3741 contain precious materials?
Does NSN 5306-00-272-3741 contain hazardous materials?
When the NSN 5306-00-272-3741 was assigned to the Federal Catalog?
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